| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | CZ-6A DEB |
| Spacetrack catalog number | 34459 | 54439 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 09:30 | 2024 Dec 22 20:21 |
| Time of closest approach (UTC) | 2024 Dec 23 14:39:43.607 |
| Minimum distance | 4.361 km |
| Height difference | 3.891 km |
| Relative speed | 14.960 km/s |
| Angle between velocity vectors | 173° |
| Geographic position | 2.1°N, 166.2°W |
| Height | 827 km |
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